What's this thing?

Charging, starting, lighting, gauges, HVAC

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vossy
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What's this thing?

Postby vossy » Fri Mar 16, 2018 4:33 pm

What is this:

https://imgur.com/a/Hx511

Mounted on front of engine compartment, and has a few wires leading into it, and then some that look like they goto a thermostat or something mounted on top... The black cylinder.

The red wire, has pulled free of the connector and is not connected on it... I wonder what it does, do I need to fix it.

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DuckRyder
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Re: What's this thing?

Postby DuckRyder » Fri Mar 16, 2018 4:45 pm

That is the voltage regulator.
Robert
1972 F100 Ranger XLT (390/C6/Dana 44 Locker)

"An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." -- Jeff Cooper

vossy
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Re: What's this thing?

Postby vossy » Fri Mar 16, 2018 6:58 pm

What does it to? The blade that connects wires doesn't seem to really plug into anything.... I took off the sheet metal dome portion, and there is nothing inside..

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DuckRyder
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Re: What's this thing?

Postby DuckRyder » Fri Mar 16, 2018 7:25 pm

It controls the charging voltage unless the alternator has been replaced with something internally regulated.

That is a newer replacement voltage regulator, it is likely solid state so it should have a circuit board and some transistors and other electronic magic stuff in it... :D
Robert
1972 F100 Ranger XLT (390/C6/Dana 44 Locker)

"An unarmed man can only flee from evil, and evil is not overcome by fleeing from it." -- Jeff Cooper


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